Digit Ratio and Palaeolithic Hand Stencils
2D:4D is being used alongside other methods to help sex Palaeolithic hand stencils found in European and Indonesian caves.
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“Bless my soul, Sir, will you Britons not credit that an American can be a gentleman, & have read the Waverly Novels, tho every digit may have been in the tar-bucket?”
—Herman Melville (1819–1891)
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—Ralph Waldo Emerson (1803–1882)
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—David Hume (1711–1776)